>>3333547>f/11Are you stupid on purpose? Is this an act?
I have tested this lens on my a7II, which has a bit more resolution than your Dƒ, and I can confirm there's a reason why it's cheap and unheard of.
pentaxforums.com/userreviews/albinar-28mm-f2-8-manual-focus.htmlBesides, this is a really good picture. It's surprising to me and show that you can be better.
pic is the Minolta 28mm f/2.8, which is actually decent.